/Engine/Source/Runtime/Experimental/ChaosCore/Public/Chaos/ImplicitQRSVD.h
This function does something like c -s 0 ( s c 0 ) A -> A 0 0 1 It only affects row i and row k of A.
void RowRotation ( [PMatrix](API\Runtime\Chaos\Chaos\PMatrix)< T, 2, 2 > & A ) const